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spapr_pci: provide node start offset via spapr_populate_pci_dt()

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PHB hotplug re-uses PHB device tree generation code and passes
it to a guest via RTAS. Doing this requires knowledge of where
exactly in the device tree the node describing the PHB begins.

Provide this via a new optional pointer that can be used to
store the PHB node's start offset.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059671912.1466090.10891589403973703473.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Michael Roth 2019-02-19 18:18:39 +01:00 • committed by David Gibson
parent 4b6d336f2c
commit 0a0a66cd1b
3 changed files with 6 additions and 3 deletions
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2
hw/ppc/spapr.c
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@ -1312,7 +1312,7 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr)
QLIST_FOREACH(phb, &spapr->phbs, list) {
ret = spapr_populate_pci_dt(phb, PHANDLE_INTC, fdt,
spapr->irq->nr_msis);
spapr->irq->nr_msis, NULL);
if (ret < 0) {
error_report("couldn't setup PCI devices in fdt");
exit(1);